Struct ScsiHost

pub struct ScsiHost { /* private fields */ }

Fetch and modify SCSI host parameters.

Implementations

impl ScsiHost

pub fn active_mod(&self) -> Result<String>

pub fn can_queue(&self) -> Result<i32>

pub fn host_busy(&self) -> Result<u8>

pub fn link_power_management_policy(&self) -> Result<String>

Examples found in repository

examples/scsi_host.rs (line 9)

fn main() -> io::Result<()> {
    for host in ScsiHost::all()? {
        println!(
            "{} has power management policy \"{:?}\"",
            host.id(),
            host.link_power_management_policy()
        );
    }

    Ok(())
}

pub fn set_link_power_management_policy<'b>( &self, profiles: &[&'b str], ) -> Result<&'b str>

Sets the power management profile for this SCSI host.

Multiple profiles are given, and each profile is tried until one succeeds.

pub fn proc_name(&self) -> Result<String>

pub fn sg_tablesize(&self) -> Result<i32>

pub fn state(&self) -> Result<String>

pub fn supported_mode(&self) -> Result<u8>

pub fn use_blk_mq(&self) -> Result<u8>

Trait Implementations

impl Clone for ScsiHost

fn clone(&self) -> ScsiHost

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl SysClass for ScsiHost

fn class() -> &'static str

Return the class of the sys object, the name of a folder in `/sys/${base}``

unsafe fn from_path_unchecked(path: PathBuf) -> Self

Create a sys object from an absolute path without checking path for validity

fn path(&self) -> &Path

Return the path of the sys object

fn base() -> &'static str

Sets the base directory, which defaults to class.

fn dir() -> PathBuf

Return the path to the sys objects, the full path of a folder in /sys/class

fn from_path(path: &Path) -> Result<Self>

Create a sys object from a path, checking it for validity

fn all() -> Result<Vec<Self>>

Retrieve all of the object instances of a sys class

fn iter() -> Box<dyn Iterator<Item = Result<Self>>>

where Self: 'static,

Retrieve all of the object instances of a sys class, with a boxed iterator

fn new(id: &str) -> Result<Self>

Create a sys object by id, checking it for validity

fn id(&self) -> &str

Return the id of the sys object

fn read_file<P: AsRef<Path>>(&self, name: P) -> Result<String>

Read a file underneath the sys object

fn parse_file<F: FromStr, P: AsRef<Path>>(&self, name: P) -> Result<F>

where F::Err: Display,

Parse a number from a file underneath the sys object

fn trim_file<P: AsRef<Path>>(&self, name: P) -> Result<String>

Read a file underneath the sys object and trim whitespace

fn write_file<P: AsRef<Path>, S: AsRef<[u8]>>( &self, name: P, data: S, ) -> Result<()>

Write a file underneath the sys object